[pjot]

GAMS is such a wild language/environment.

I don’t know of anything better, but I’m currently reliving nightmares from my Masters

[currymj]

JuMP is comparably good I think. People reasonably don’t want to add a new language to their stack. But if you’re just formulating MPs it’s as nice as anything, free, and you have a well designed modern programming language if you need it.